A Japanese businessman this weekend, paid $1.7 million dollars for a bluefish tuna, setting a new world record. Marco Werman talks to Paul Greenberg, a James Beard award winning author, "Why Four Fish- The Last Final Food."

A Japanese businessman this weekend, paid $1.7 million dollars for a bluefish tuna, setting a new world record. Marco Werman talks to Paul Greenberg, a James Beard award winning author, "Why Four Fish- The Last Final Food."